CVE-2022-3236: Sophos Firewall User Portal and Web Admin Code Injection

In this excerpt of a Trend Micro Vulnerability Research Service vulnerability report, Guy Lederfein and Dusan Stevanovic of the Trend Micro Research Team detail a recently patched code injection vulnerability in the Sophos Firewall. The bug is due to improper validation of JSON keys submitted in the “JSON” parameter sent to the Controller endpoint. Successful exploitation of this vulnerability could result in remote code execution with the privileges of the root user. The following is a portion of their write-up …

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